package io;

import java.io.*;
import java.nio.charset.StandardCharsets;

public class FlushDemo {
    public static void main(String[] args) throws IOException {
        FileOutputStream fos = new FileOutputStream("fos.txt");
        BufferedOutputStream bos = new BufferedOutputStream(fos);
        String line = "和我在成都的街口走一走，哦哦哦哦....";
        bos.write(line.getBytes(StandardCharsets.UTF_8));
        System.out.println("写出完毕");
        bos.flush();//flush:冲水
        bos.close();//缓冲流close()时会自动调用一次flush()确保所有数据关闭前写出
    }

}
